package co.edu.usbcali.sisgpim.presentation.backEndBeans;

import co.edu.usbcali.sisgpim.exceptions.*;
import co.edu.usbcali.sisgpim.modelo.*;
import co.edu.usbcali.sisgpim.modelo.dto.ReservasEquiposDTO;
import co.edu.usbcali.sisgpim.presentation.businessDelegate.BusinessDelegatorView;
import co.edu.usbcali.sisgpim.utilities.*;

import com.icesoft.faces.async.render.RenderManager;
import com.icesoft.faces.async.render.Renderable;
import com.icesoft.faces.component.ext.HtmlCommandButton;
import com.icesoft.faces.component.ext.HtmlInputText;
import com.icesoft.faces.component.selectinputdate.SelectInputDate;
import com.icesoft.faces.context.DisposableBean;
import com.icesoft.faces.webapp.xmlhttp.FatalRenderingException;
import com.icesoft.faces.webapp.xmlhttp.PersistentFacesState;
import com.icesoft.faces.webapp.xmlhttp.RenderingException;
import com.icesoft.faces.webapp.xmlhttp.TransientRenderingException;

import java.math.BigDecimal;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Set;
import java.util.TimeZone;
import java.util.Vector;

import javax.faces.event.ValueChangeEvent;
import javax.faces.model.DataModel;


/**
*
*
* @author Zathura Code Generator http://code.google.com/p/zathura/
*
*/
public class ReservasEquiposView extends DataSource implements Renderable,
    DisposableBean {
    private HtmlInputText txtEstadoReserva;
    private HtmlInputText txtEquipoLaboratorio;
    private HtmlInputText txtUsuario;
    private SelectInputDate txtFechaReserva;
    private HtmlCommandButton btnSave;
    private HtmlCommandButton btnModify;
    private HtmlCommandButton btnDelete;
    private HtmlCommandButton btnClear;
    private boolean renderDataTable;
    private boolean flag = true;
    private RenderManager renderManager;
    private PersistentFacesState state = PersistentFacesState.getInstance();
    private List<ReservasEquipos> reservasEquipos;
    private List<ReservasEquiposDTO> reservasEquiposDTO;

    public ReservasEquiposView() {
        super("");
    }

    public String action_clear() {
        txtEstadoReserva.setValue(null);
        txtEstadoReserva.setDisabled(true);
        txtEquipoLaboratorio.setValue(null);
        txtEquipoLaboratorio.setDisabled(false);
        txtUsuario.setValue(null);
        txtUsuario.setDisabled(false);
        txtFechaReserva.setValue(null);
        btnSave.setDisabled(true);
        btnDelete.setDisabled(true);
        btnModify.setDisabled(true);
        btnClear.setDisabled(false);

        return "";
    }

    public void listener_txtId(ValueChangeEvent event) {
        if ((event.getNewValue() != null) && !event.getNewValue().equals("")) {
            ReservasEquipos entity = null;

            try {
                ReservasEquiposId id = new ReservasEquiposId();
                id.setEquipoLaboratorio((((txtEquipoLaboratorio.getValue()) == null) ||
                    (txtEquipoLaboratorio.getValue()).equals("")) ? null
                                                                  : new String(
                        txtEquipoLaboratorio.getValue().toString()));
                id.setFechaReserva((((txtFechaReserva.getValue()) == null) ||
                    (txtFechaReserva.getValue()).equals("")) ? null
                                                             : (Date) txtFechaReserva.getValue());
                id.setUsuario((((txtUsuario.getValue()) == null) ||
                    (txtUsuario.getValue()).equals("")) ? null
                                                        : new Integer(
                        txtUsuario.getValue().toString()));
                entity = BusinessDelegatorView.getReservasEquipos(id);
            } catch (Exception e) {
                // TODO: handle exception
            }

            if (entity == null) {
                txtEstadoReserva.setDisabled(false);
                txtEquipoLaboratorio.setDisabled(false);
                txtUsuario.setDisabled(false);
                btnSave.setDisabled(false);
                btnDelete.setDisabled(true);
                btnModify.setDisabled(true);
                btnClear.setDisabled(false);
            } else {
                txtEstadoReserva.setValue(entity.isEstadoReserva());
                txtEstadoReserva.setDisabled(false);
                txtEquipoLaboratorio.setValue(entity.getId()
                                                    .getEquipoLaboratorio());
                txtEquipoLaboratorio.setDisabled(true);
                txtFechaReserva.setValue(entity.getId().getFechaReserva());
                txtUsuario.setValue(entity.getId().getUsuario());
                txtUsuario.setDisabled(true);
                btnSave.setDisabled(true);
                btnDelete.setDisabled(false);
                btnModify.setDisabled(false);
                btnClear.setDisabled(false);
            }
        }
    }

    public String action_save() {
        try {
            BusinessDelegatorView.saveReservasEquipos(
            	FacesUtils.checkString(txtEquipoLaboratorio),
            	FacesUtils.checkInteger(txtUsuario),
                new Boolean(txtEstadoReserva.getValue().toString()));
            FacesUtils.addInfoMessage(ZMessManager.ENTITY_SUCCESFULLYSAVED);
            action_clear();
        } catch (Exception e) {
            FacesUtils.addErrorMessage(e.getMessage());
        }

        return "";
    }

    public String action_delete() {
        try {
            BusinessDelegatorView.deleteReservasEquipos(FacesUtils.checkString(
                    txtEquipoLaboratorio),
                FacesUtils.checkDate(txtFechaReserva),
                FacesUtils.checkInteger(txtUsuario));
            FacesUtils.addInfoMessage(ZMessManager.ENTITY_SUCCESFULLYDELETED);
            action_clear();
        } catch (Exception e) {
            FacesUtils.addErrorMessage(e.getMessage());
        }

        return "";
    }

    public String action_modify() {
        try {
            BusinessDelegatorView.updateReservasEquipos(
            	FacesUtils.checkString(txtEquipoLaboratorio),
                FacesUtils.checkInteger(txtUsuario),
                new Boolean(txtEstadoReserva.getValue().toString()));
            FacesUtils.addInfoMessage(ZMessManager.ENTITY_SUCCESFULLYMODIFIED);
            action_clear();
        } catch (Exception e) {
            FacesUtils.addErrorMessage(e.getMessage());
        }

        return "";
    }

    public String action_modifyWitDTO(String equipoLaboratorio,
        Integer usuario, Boolean estadoReserva)
        throws Exception {
        try {
            BusinessDelegatorView.updateReservasEquipos(equipoLaboratorio,
                 usuario, estadoReserva);
            renderManager.getOnDemandRenderer("ReservasEquiposView")
                         .requestRender();
            FacesUtils.addInfoMessage(ZMessManager.ENTITY_SUCCESFULLYMODIFIED);
        } catch (Exception e) {
            //renderManager.getOnDemandRenderer("ReservasEquiposView").requestRender();
            FacesUtils.addErrorMessage(e.getMessage());
            throw e;
        }

        return "";
    }

    public List<ReservasEquipos> getReservasEquipos() {
        if (flag) {
            try {
                reservasEquipos = BusinessDelegatorView.getReservasEquipos();
                flag = false;
            } catch (Exception e) {
                flag = true;
                FacesUtils.addErrorMessage(e.getMessage());
            }
        }

        return reservasEquipos;
    }

    public boolean isFlag() {
        return flag;
    }

    public void setReservasEquipos(List<ReservasEquipos> reservasEquipos) {
        this.reservasEquipos = reservasEquipos;
    }

    public boolean isRenderDataTable() {
        try {
            if (flag) {
                if (BusinessDelegatorView.findTotalNumberReservasEquipos() > 0) {
                    renderDataTable = true;
                } else {
                    renderDataTable = false;
                }
            }

            flag = false;
        } catch (Exception e) {
            renderDataTable = false;
            e.printStackTrace();
        }

        return renderDataTable;
    }

    public DataModel getData() {
        state = PersistentFacesState.getInstance();

        if (onePageDataModel == null) {
            onePageDataModel = new LocalDataModel(pageSize);
        }

        return onePageDataModel;
    }

    /**
    * This is where the Object data is retrieved from the database and
    * returned as a list of objects for display in the UI.
    */
    private DataPage<ReservasEquipos> getDataPage(int startRow, int pageSize) {
        // Retrieve the total number of objects from the database.  This
        // number is required by the DataPage object so the paginator will know
        // the relative location of the page data.
        int totalNumberReservasEquipos = 0;

        try {
            totalNumberReservasEquipos = BusinessDelegatorView.findTotalNumberReservasEquipos()
                                                              .intValue();
        } catch (Exception e) {
            FacesUtils.addErrorMessage(e.getMessage());
        }

        // Calculate indices to be displayed in the ui.
        int endIndex = startRow + pageSize;

        if (endIndex > totalNumberReservasEquipos) {
            endIndex = totalNumberReservasEquipos;
        }

        try {
            reservasEquipos = BusinessDelegatorView.findPageReservasEquipos(sortColumnName,
                    sortAscending, startRow, endIndex - startRow);

            // Remove this Renderable from the existing render groups.
            //leaveRenderGroups();        			
        } catch (Exception e) {
            FacesUtils.addErrorMessage(e.getMessage());
        }

        // Add this Renderable to the new render groups.
        //joinRenderGroups();
        // Reset the dirtyData flag.
        onePageDataModel.setDirtyData(false);
        // This is required when using Hibernate.  If the SessionManager is not
        // cleared or closed objects are cached and stale objects will show up
        // in the table.
        // This way, the detached objects are reread from the database.
        // This call is not required with Hibernate, which uses a Query Hint
        // to clear the l2 cache in the DAO.
        flag = true;

        return new DataPage<ReservasEquipos>(totalNumberReservasEquipos,
            startRow, reservasEquipos);
    }

    public DataModel getDataDTO() {
        state = PersistentFacesState.getInstance();

        if (onePageDataModel == null) {
            onePageDataModel = new LocalDataModelDTO(pageSize);
        }

        return onePageDataModel;
    }

    /**
    * This is where the Object data is retrieved from the database and
    * returned as a list of objects for display in the UI.
    */
    private DataPage<ReservasEquiposDTO> getDataPageDTO(int startRow,
        int pageSize) {
        // Retrieve the total number of objects from the database.  This
        // number is required by the DataPage object so the paginator will know
        // the relative location of the page data.
        int totalNumberReservasEquipos = 0;

        try {
            totalNumberReservasEquipos = BusinessDelegatorView.findTotalNumberReservasEquipos()
                                                              .intValue();
        } catch (Exception e) {
            FacesUtils.addErrorMessage(e.getMessage());
        }

        // Calculate indices to be displayed in the ui.
        int endIndex = startRow + pageSize;

        if (endIndex > totalNumberReservasEquipos) {
            endIndex = totalNumberReservasEquipos;
        }

        try {
            reservasEquipos = BusinessDelegatorView.findPageReservasEquipos(sortColumnName,
                    sortAscending, startRow, endIndex - startRow);

            if (Utilities.validationsList(reservasEquipos)) {
                reservasEquiposDTO = new ArrayList<ReservasEquiposDTO>();

                for (ReservasEquipos reservasEquiposTmp : reservasEquipos) {
                    ReservasEquiposDTO reservasEquiposDTO2 = new ReservasEquiposDTO();
                    reservasEquiposDTO2.setEquipoLaboratorio(reservasEquiposTmp.getId()
                                                                               .getEquipoLaboratorio()
                                                                               .toString());
                    reservasEquiposDTO2.setFechaReserva(reservasEquiposTmp.getId()
                                                                          .getFechaReserva());
                    reservasEquiposDTO2.setUsuario(reservasEquiposTmp.getId()
                                                                     .getUsuario()
                                                                     .toString());
                    reservasEquiposDTO2.setEstadoReserva((reservasEquiposTmp.isEstadoReserva() != null)
                        ? reservasEquiposTmp.isEstadoReserva().toString() : null);
                    reservasEquiposDTO2.setReservasEquipos(reservasEquiposTmp);
                    reservasEquiposDTO2.setReservasEquiposView(this);
                    reservasEquiposDTO.add(reservasEquiposDTO2);
                }
            }

            // Remove this Renderable from the existing render groups.
            leaveRenderGroups();
        } catch (Exception e) {
            FacesUtils.addErrorMessage(e.getMessage());
        }

        // Add this Renderable to the new render groups.
        joinRenderGroups();
        // Reset the dirtyData flag.
        onePageDataModel.setDirtyData(false);
        // This is required when using Hibernate.  If the SessionManager is not
        // cleared or closed objects are cached and stale objects will show up
        // in the table.
        // This way, the detached objects are reread from the database.
        // This call is not required with Hibernate, which uses a Query Hint
        // to clear the l2 cache in the DAO.
        flag = true;

        return new DataPage<ReservasEquiposDTO>(totalNumberReservasEquipos,
            startRow, reservasEquiposDTO);
    }

    protected boolean isDefaultAscending(String sortColumn) {
        return true;
    }

    /**
    * This method is called when a render call is made from the server. Render
    * calls are only made to views containing an updated record. The data is
    * marked as dirty to trigger a fetch of the updated record from the
    * database before rendering takes place.
    */
    public PersistentFacesState getState() {
        onePageDataModel.setDirtyData();

        return state;
    }

    /**
    * This method is called from faces-config.xml with each new session.
    */
    public void setRenderManager(RenderManager renderManager) {
        this.renderManager = renderManager;
    }

    public void renderingException(RenderingException arg0) {
        if (arg0 instanceof TransientRenderingException) {
        } else if (arg0 instanceof FatalRenderingException) {
            // Remove from existing Customer render groups.
            leaveRenderGroups();
        }
    }

    /**
    * Remove this Renderable from existing uiCustomerBeans render groups.
    * OnDemandRenderers are named/created using the underlying Customer Number.
    */
    private void leaveRenderGroups() {
        if (Utilities.validationsList(reservasEquiposDTO)) {
            for (ReservasEquiposDTO reservasEquiposTmp : reservasEquiposDTO) {
                renderManager.getOnDemandRenderer("ReservasEquiposView")
                             .remove(this);
            }
        }
    }

    /**
    * Add this Renderable to the new uiCustomerBeans render groups.
    * OnDemandRenderers are named/created using the underlying Customer Number.
    */
    private void joinRenderGroups() {
        if (Utilities.validationsList(reservasEquiposDTO)) {
            for (ReservasEquiposDTO reservasEquiposTmp : reservasEquiposDTO) {
                renderManager.getOnDemandRenderer("ReservasEquiposView")
                             .add(this);
            }
        }
    }

    public void dispose() throws Exception {
    }

    public RenderManager getRenderManager() {
        return renderManager;
    }

    public void setState(PersistentFacesState state) {
        this.state = state;
    }

    public HtmlInputText getTxtEstadoReserva() {
        return txtEstadoReserva;
    }

    public void setTxtEstadoReserva(HtmlInputText txtEstadoReserva) {
        this.txtEstadoReserva = txtEstadoReserva;
    }

    public HtmlInputText getTxtEquipoLaboratorio() {
        return txtEquipoLaboratorio;
    }

    public void setTxtEquipoLaboratorio(HtmlInputText txtEquipoLaboratorio) {
        this.txtEquipoLaboratorio = txtEquipoLaboratorio;
    }

    public HtmlInputText getTxtUsuario() {
        return txtUsuario;
    }

    public void setTxtUsuario(HtmlInputText txtUsuario) {
        this.txtUsuario = txtUsuario;
    }

    public SelectInputDate getTxtFechaReserva() {
        return txtFechaReserva;
    }

    public void setTxtFechaReserva(SelectInputDate txtFechaReserva) {
        this.txtFechaReserva = txtFechaReserva;
    }

    public HtmlCommandButton getBtnSave() {
        return btnSave;
    }

    public void setBtnSave(HtmlCommandButton btnSave) {
        this.btnSave = btnSave;
    }

    public HtmlCommandButton getBtnModify() {
        return btnModify;
    }

    public void setBtnModify(HtmlCommandButton btnModify) {
        this.btnModify = btnModify;
    }

    public HtmlCommandButton getBtnDelete() {
        return btnDelete;
    }

    public void setBtnDelete(HtmlCommandButton btnDelete) {
        this.btnDelete = btnDelete;
    }

    public HtmlCommandButton getBtnClear() {
        return btnClear;
    }

    public void setBtnClear(HtmlCommandButton btnClear) {
        this.btnClear = btnClear;
    }

    public void setRenderDataTable(boolean renderDataTable) {
        this.renderDataTable = renderDataTable;
    }

    public void setFlag(boolean flag) {
        this.flag = flag;
    }

    public List<ReservasEquiposDTO> getReservasEquiposDTO() {
        return reservasEquiposDTO;
    }

    public void setReservasEquiposDTO(
        List<ReservasEquiposDTO> reservasEquiposDTO) {
        this.reservasEquiposDTO = reservasEquiposDTO;
    }

    public TimeZone getTimeZone() {
        return java.util.TimeZone.getDefault();
    }

    /**
    * A special type of JSF DataModel to allow a datatable and datapaginator
    * to page through a large set of data without having to hold the entire
    * set of data in memory at once.
    * Any time a managed bean wants to avoid holding an entire dataset,
    * the managed bean declares this inner class which extends PagedListDataModel
    * and implements the fetchData method. fetchData is called
    * as needed when the table requires data that isn't available in the
    * current data page held by this object.
    * This requires the managed bean (and in general the business
    * method that the managed bean uses) to provide the data wrapped in
    * a DataPage object that provides info on the full size of the dataset.
    */
    private class LocalDataModel extends PagedListDataModel {
        public LocalDataModel(int pageSize) {
            super(pageSize);
        }

        public DataPage<ReservasEquipos> fetchPage(int startRow, int pageSize) {
            // call enclosing managed bean method to fetch the data
            return getDataPage(startRow, pageSize);
        }
    }

    private class LocalDataModelDTO extends PagedListDataModel {
        public LocalDataModelDTO(int pageSize) {
            super(pageSize);
        }

        public DataPage<ReservasEquiposDTO> fetchPage(int startRow, int pageSize) {
            // call enclosing managed bean method to fetch the data
            return getDataPageDTO(startRow, pageSize);
        }
    }
}
